Product Overview
This specification details the UNIOHM CFR SERIES LEAD-FREE CARBON FILM FIXED RESISTORS, designed for various electronic applications. These resistors offer a range of tolerances (2%, 5%, 10%) and resistance values from 1 to 10M. They are constructed with a carbon film on a ceramic body, featuring tin-plated copper lead wires and end caps. Available in multiple sizes and power ratings, these resistors are suitable for general-purpose use.
Product Attributes
- Brand: UNIOHM
- Origin: Kun Shan, China
- Material: Carbon Film, Ceramics, Cold steel plated with copper/tin, Tin solder coated copper wire
- Coating Color: Beige (1/8W, 1/4WS, 1/2WS, 1/4W, 1/2W, 1W, 2W), Light Brown (1WS, 2WS, 3WS), Gray Green (1/2WSS)
Technical Specifications
| Part Name | Power Rating | Tolerance | Resistance Range | Max Working Voltage | Max Overload Voltage | Dielectric Withstanding Voltage | Dimension (D x L mm) | Lead Wire Diameter (d mm) |
| CFR SERIES | 1/8W | 2%, 5%, 10% | 1~10M | 200V | 400V | 400V | 1.90.3 x 3.30.3 | 0.45 |
| CFR SERIES | 1/4W | 2%, 5%, 10% | 1~10M | 250V | 500V | 500V | 2.20.3 x 6.51.0 | 0.54 |
| CFR SERIES | 1/2W | 2%, 5%, 10% | 1~10M | 350V | 700V | 700V | 3.00.6 x 9.51.0 | 0.54 |
| CFR SERIES | 1W | 2%, 5%, 10% | 1~10M | 500V | 1000V | 1000V | 5.00.6 x 15.51.0 | 0.70 |
| CFR SERIES | 2W | 2%, 5%, 10% | 1~10M | 500V | 1000V | 1000V | 6.00.6 x 17.51.0 | 0.75 |
| CFR SERIES (Small Size) | 1/4WS | 2%, 5%, 10% | 1~10M | 200V | 400V | 400V | 1.90.3 x 3.30.3 | 0.45 |
| CFR SERIES (Small Size) | 1/2WSS | 2%, 5%, 10% | 1~10M | 250V | 500V | 250V | 2.20.5 x 6.51.0 | 0.54 |
| CFR SERIES (Small Size) | 1/2WS | 2%, 5%, 10% | 1~10M | 350V | 700V | 700V | 3.00.5 x 9.01.0 | 0.54 |
| CFR SERIES (Small Size) | 1WS | 2%, 5%, 10% | 1~10M | 500V | 1000V | 1000V | 4.00.6 x 11.51.0 | 0.65 |
| CFR SERIES (Small Size) | 2WS | 2%, 5%, 10% | 1~10M | 500V | 1000V | 1000V | 5.00.6 x 15.51.0 | 0.70 |
| CFR SERIES (Small Size) | 3WS | 2%, 5%, 10% | 1~10M | 500V | 1000V | 1000V | 6.00.6 x 17.51.0 | 0.75 |
2410121314_UNI-ROYAL-CFR0W4J0474A50_C61305.pdf
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